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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2013
Summary of Significant Accounting Policies [Abstract]  
Depreciation of Property, Plant and Equipment
Depreciation is calculated on the straight-line basis over the estimated useful life of the assets at the following annual rates:
 
   
%
Machinery and equipment
15 - 33
Office furniture and equipment
6 - 33
Leasehold improvements
10- 20
Computation of Basic and Diluted Income Per Ordinary Share
The following table summarizes information related to the computation of basic and diluted income per ordinary share for the years indicated.
 
 
  
Year ended December 31
  
 
  
2011
    
2012
    
2013
  
Net income attributable to ordinary shares
  
 
    
 
    
 
  
 (US$ thousands)
     8,243       9,871       17,077  
 
                        
Weighted average number of ordinary shares outstanding
                        
 used in basic income per ordinary share calculation
     6,896,215       6,933,576       7,103,021  
 
                        
Add assumed exercise of outstanding dilutive potential
                        
 ordinary shares
     98,377       34,729       143,011  
 
                        
Weighted average number of ordinary shares outstanding
                        
 used in diluted income per ordinary share calculation
     6,994,592       6,968,305       7,246,032  
 
                        
Basic income per ordinary shares (US$)
     1.195       1.424       2.404  
 
                        
Diluted income per ordinary shares (US$)
     1.178       1.417       2.357  
 
                        
Number of options and warrants excluded
                        
 from the diluted earnings per share calculation
                        
 because of anti-dilutive effect
     135,000       135,000       -